External battery to smartphone with replacement battery door



FIG. 1 is a top, front, and left side perspective view.

FIG. 2 is a front elevational view.

FIG. 3 is a left side elevational view, the right side being a mirror image thereof.

FIG. 4 is a top plan view; and,

FIG. 5 is a bottom plan view.

The broken lines in the figures are for illustration purposes only, and form no part of the claimed invention. 

The ornamental design for an external battery to smartphone with replacement battery door, as shown and described. 